ADUM221N1BRWZ

Overview

The ADUM221N1BRWZ is a dual-channel digital isolator utilizing iCoupler technology, housed in a 16-pin SOIC_W package. It supports data rates up to 150 Mbps with a typical propagation delay of 13 ns and rise/fall times of 2.5 ns. The device operates on a supply voltage range of 1.7 V to 5.5 V and provides robust isolation with 5000 Vrms insulation voltage and 75 kV/µs common-mode transient immunity. It functions reliably within an operating temperature range of -40°C to +125°C.

Feature Summary

• Dual-channel architecture for independent signal isolation
• High common-mode transient immunity for noise rejection
• Low propagation delay for high-speed data transmission
• Wide operating temperature range for industrial reliability

Applications

• Industrial automation systems requiring galvanic isolation
• Medical equipment needing robust signal separation
• Automotive electronics interfaces
• Power metering applications

Procurement Notes

Verify the specific suffix 'N1' indicates the correct channel configuration and polarity as documented in the official Analog Devices datasheet. Confirm that the SOIC_W package width matches your PCB footprint requirements. Ensure compliance with RoHS directives if required by your manufacturing standards. Cross-reference the part number against the manufacturer's current lifecycle status to confirm availability and active production status before finalizing procurement plans.

Selection Notes

Select this component when dual-channel isolation is required with high speed and low latency. The 150 Mbps data rate suits most standard communication protocols. The wide supply voltage range allows compatibility with various logic levels. Consider the 16-pin package size relative to available board space. Verify that the 5000 Vrms isolation rating meets the safety requirements of your specific application environment.

Part Context

This part belongs to the ADuM22xN family of dual-channel digital isolators based on iCoupler technology. These devices integrate high-speed CMOS logic and monolithic isolation barriers on a single silicon chip. The family offers variations in channel count and directionality, providing flexible solutions for isolating digital signals across different voltage domains without using traditional magnetic or optical components.

Replacement Considerations

Check for direct pin-compatible alternatives within the ADuM22x series, such as the ADUM220N or ADUM225N, depending on specific channel direction needs. Verify that any substitute maintains the same 150 Mbps data rate and 5000 Vrms isolation rating. Ensure the replacement part shares the 16-SOIC package dimensions to avoid PCB redesign.